---
"@context": https://schema.org
"@type": TechArticle
"@id": https://www.twilio.com/docs/api/errors/420011#article
headline: "420011: Knowledge resource deletion failed"
url: https://www.twilio.com/docs/api/errors/420011
inLanguage: en
dateModified: 2026-04-01T03:32:01.000Z
author:
  "@type": Organization
  name: Twilio Developer Education Team
publisher:
  "@type": Organization
  name: Twilio
---

# 420011: Knowledge resource deletion failed

Log Type: TWILIO

Log Level: ERROR

## Description

The deletion request was rejected by the backend.

### Possible causes

* The requesting user lacks sufficient permissions
* The resource has active downstream dependencies
* A system interruption occurred

### Possible solutions

* Confirm RBAC permissions
* Ensure the resource is not actively referenced by dependent systems before retrying the `DELETE` request